HashCheck Shell Extension - File-integrity verification with CRC-32, MD5, SHA-1, SHA-2 and SHA-3, integrated into Windows...
QuickSFV - QuickSFV integrates into the Windows Explorer shell and makes it very easy to verify files.
HashMyFiles - HashMyFiles is small utility that allows you to calculate the MD5 and SHA1 hashes of one or more files in your system.
hashdeep - Cross-platform tools to computer hashes, or message digests, for any number of files while...
RapidCRC Unicode - RapidCRC is an open source CRC/MD5/SHA hashing program.
AIDE - AIDE (Advanced Intrusion Detection Environment) is a file and directory integrity checker.